GPCRdb in 2023: state-specific structure models using AlphaFold2 and new ligand resources. - Gáspár Pándy-Szekeres; Jimmy Caroli; Alibek Mamyrbekov; Ali A Kermani; György M. Keserü; Albert J. Kooistra; David E. Gloriam (Nucleic Acids Res., 2023)